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From: ludo@gnu.org (Ludovic Courtès)
To: Danny Milosavljevic <dannym@scratchpost.org>
Cc: 28445@debbugs.gnu.org, help-guix <help-guix@gnu.org>
Subject: Re: Cannot boot GuixSD after system reconfigure
Date: Fri, 22 Sep 2017 18:41:55 +0200	[thread overview]
Message-ID: <87lgl6ptws.fsf@gnu.org> (raw)
In-Reply-To: <20170922162339.65cf2b79@scratchpost.org> (Danny Milosavljevic's message of "Fri, 22 Sep 2017 16:23:39 +0200")

Danny Milosavljevic <dannym@scratchpost.org> skribis:

> On Fri, 22 Sep 2017 16:03:47 +0200
> ludo@gnu.org (Ludovic Courtès) wrote:
>
>> However, there’s one thing I’d like to double-check with Danny, which is
>> the word order.  With this patch, I have:
>> 
>>   (fat32-uuid->string (string->fat32-uuid "aabb-ccdd"))
>>   $7 = "CCDD-AABB"
>> 
>> Danny: are you sure the most-significant 16-bit word comes last?
>
> See https://github.com/karelzak/util-linux/blob/master/libblkid/src/superblocks/vfat.c#L48
>
> blkid_probe_sprintf_uuid(pr, vol_serno, 4, "%02X%02X-%02X%02X",
> vol_serno[3], vol_serno[2], vol_serno[1], vol_serno[0]);

I see, thanks!

Roel, with commit 8a7d81a5e23c4d59fbabf2550db32d4ba5572e4b, you should
be able to write:

  (uuid "abcd-1234" 'fat32)

in your config, and it should work.

Let me know if it doesn’t.  :-)

Ludo’.

  parent reply	other threads:[~2017-09-22 16:42 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-21 12:21 Cannot boot GuixSD after system reconfigure Roel Janssen
2017-09-21 19:04 ` Roel Janssen
2017-09-21 20:28   ` Ricardo Wurmus
2017-09-21 22:12   ` bug#28445: " Ludovic Courtès
2017-09-21 22:12   ` Ludovic Courtès
2017-09-22  0:24     ` bug#28445: " Roel Janssen
2017-09-22 14:03       ` Ludovic Courtès
2017-09-22 14:03       ` Ludovic Courtès
2017-09-22 14:23         ` bug#28445: " Danny Milosavljevic
2017-09-22 16:41           ` Ludovic Courtès
2017-09-22 16:41           ` Ludovic Courtès [this message]
2017-09-22 19:53             ` Roel Janssen
2017-09-22 19:53             ` Roel Janssen
2017-09-25  7:33               ` bug#28445: " Ludovic Courtès
2017-09-25  7:33               ` Ludovic Courtès
2017-09-26 19:24                 ` bug#28445: " Roel Janssen
2017-09-26  2:27                   ` Danny Milosavljevic
2017-09-26  2:27                   ` Danny Milosavljevic

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